Citing issues like insufficient sleep, depression and suicide, the phone’s co-creator said users should be notified when they cross over to addiction.

So, is it Apple’s responsibility?

“Just like with alcohol or tobacco, we expect a certain level of education of the public on risks versus benefits,” said Ario Hossaini, in town from Louisville, Kentucky.

Dr. Stephen Andriole, a business technology professor at Villanova University, says that while parents should monitor their child’s usage, enhanced software would help. And since government regulation takes time, encourages Silicon Valley to take a proactive approach.

“One thing they could do is during the setup process, to require parents to set the parameters,” said Andriole.

For now, Apple says it has a “long history” of parental controls and plans to make them more robust.

“I think they’re extending themselves doing that because ultimately the responsibility falls on the parent,” said Djnah Suswell of West Philly.